Seagate U Series Product Manual
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Seagate U Series Product Manual

U series family ultra ata interface drives
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Enlarged version
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U Series Family
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ST380020A, ST360020A
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ST340810A, ST320410A
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Ultra ATA Interface Drives
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Product Manual
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Summary of Contents for Seagate U Series

  • Page 1 ..........U Series Family .
  • Page 2 ..........U Series Family .
  • Page 3 Seagate, Seagate Technology and the Seagate logo are registered trademarks of Seagate Technology LLC. SeaShield, SeaShell and U Series are either registered trademarks or trademarks of Seagate Technology LLC. Other product names are registered trademarks or trademarks of their owners.

  • Page 4: Table Of Contents

    U Series Family Product Manual, Rev. B Contents Introduction ......... . . 1 Specification summary table .
  • Page 5 U Series Family Product Manual, Rev. B 1.12.3 FCC verification ......16 2.0 Configuring and mounting the drive .
  • Page 6 U Series Family Product Manual, Rev. B Figures Figure 1. Typical startup and operation current profile ... . 9 Figure 2. Master/slave jumper settings ..... . . 18 Figure 3.
  • Page 7 U Series Family Product Manual, Rev. B...

  • Page 8: Introduction

    U Series Family Product Manual, Rev. B Introduction This manual describes the functional, mechanical and interface specifi- cations for the ST380020A, ST360020A, ST340810A and the ST320410A. These drives provide the following key features: • 8.9 msec seek time, 5,400 RPM and 2-Mbyte buffer combine for excellent desktop performance •...

  • Page 9: Specification Summary Table

    U Series Family Product Manual, Rev. B Specification summary table The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual. Drive Specification ST380020A ST360020A ST340810A ST320410A...
  • Page 10 U Series Family Product Manual, Rev. B Drive Specification ST380020A ST360020A ST340810A ST320410A Average seek read (msec typical) Average seek write (msec typical) 10.9 Full-stroke seek time (msec typical) 22.0 (read) 24.0 (write) Average latency (msec) 5.55 msec Power-on to ready (sec typical) 6.5 sec...
  • Page 11 U Series Family Product Manual, Rev. B Drive Specification ST380020A ST360020A ST340810A ST320410A Drive acoustics Sound power in bels 3.0 (typical), 3.3 (max) Idle mode 3.2 (typical), 3.5 (max) Quiet Seek 3.4 (typical), 3.7 (max) Performance Seek Nonrecoverable read errors...

  • Page 12: Drive Specifications

    U Series Family Product Manual, Rev. B 1.0 Drive specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the ST380020A, ST360010A, ST340810A and the ST320410A.

  • Page 13: Physical Organization

    U Series Family Product Manual, Rev. B 1.2 Physical organization Drive Model Read/Write heads (GMR) Number of discs ST380020A ST360020A ST340810A ST320410A 1.3 Recording and interface technology Interface Recording method 96/102 GPRML Recording density BPI (bits/inch) 562,436 Track density TPI (tracks/inch)

  • Page 14: Seek Time

    U Series Family Product Manual, Rev. B 1.5 Seek time Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive diagnostics. The spec- ifications in the table below are defined as follows: •...

  • Page 15: Power Specifications

    U Series Family Product Manual, Rev. B 1.7 Power specifications The drive receives DC power (+5V or +12V) through a four-pin standard drive power connector. 1.7.1 Power consumption Power requirements for the drives are listed in the table on page 9.

  • Page 16: Figure 1. Typical Startup And Operation Current Profile

    U Series Family Product Manual, Rev. B Typical Amps Means Power Mode Typical Watts Spinup — 0.75 Seek (Random, no read/write) Performance mode 0.83 0.279 Operating (read/write) Performance mode 0.94 0.233 Idle 0.66 0.142 Standby 0.017 Sleep 0.15 0.0125 1.7.1.1 Typical current profile Current (amps) -0.5...

  • Page 17: Conducted Noise

    U Series Family Product Manual, Rev. B 1.7.2 Conducted noise Input noise ripple is measured at the host system power supply across an equivalent 80-ohm resistive load on the +12 volt line or an equivalent 15-ohm resistive load on the +5 volt line.

  • Page 18: Environmental Tolerances

    U Series Family Product Manual, Rev. B established using a Standby or Idle command. In Standby mode, the drive buffer is enabled, the heads are parked and the spindle is at rest. The drive accepts all commands and returns to Active mode any time disc access is necessary.

  • Page 19: Humidity

    U Series Family Product Manual, Rev. B 1.8.3 Humidity 1.8.3.1 Relative Humidity Operating 5% to 90% noncondensing (30% per hour max) Nonoperating 5% to 95% noncondensing (30% per hour max) 1.8.3.2 Wet bulb temperature Operating 29.4°C (84°F) max Nonoperating 40.0°C (104°F) max 1.8.4 Altitude...

  • Page 20: Drive Acoustics

    U Series Family Product Manual, Rev. B 1.8.6.1 Operating vibration The following table lists the maximum vibration levels that the drive may experience while meeting the performance standards specified in this document. 5–21 Hz 0.02-inch displacement (peak to peak) 22–350 Hz 0.5 Gs acceleration (zero to peak)

  • Page 21: Electromagnetic Immunity

    U Series Family Product Manual, Rev. B 1.10 Electromagnetic immunity When properly installed in a representative host system, the drive operates without errors or degradation in performance when subjected to the radio frequency (RF) environments defined in the following table:...

  • Page 22: Electromagnetic Compatibility

    EN 55022, Class B and the immunity levels are defined by EN 55024. Seagate uses an independent laboratory to confirm compliance with the EC directives specified in the previous paragraph. Drives are tested in representative end-user systems. Although CE-marked Seagate drives comply with the directives when used in the test systems, we cannot guarantee that all systems will comply with the directives.

  • Page 23: Fcc Verification

    As a subassembly, no Federal Communications Commission verification or certification of the device is required. Seagate Technology LLC has tested this device in enclosures as de- scribed above to ensure that the total assembly (enclosure, disc drive, motherboard, power supply, etc.) does comply with the limits for a Class...

  • Page 24: Configuring And Mounting The Drive

    U Series Family Product Manual, Rev. B 2.0 Configuring and mounting the drive This section contains the specifications and instructions for configuring and mounting the drive. 2.1 Handling and static-discharge precautions After unpacking, and before installation, the drive may be exposed to potential handling and electrostatic discharge (ESD) hazards.

  • Page 25: Jumper Settings

    U Series Family Product Manual, Rev. B 2.2 Jumper settings 2.2.1 Master/slave configuration The options jumper block shown in Figure 2 is used to configure the drive for operation. It is the 8-pin dual header between the interface connector and the power connector. Use the following settings to configure the drive as a master or a slave.

  • Page 26: Cable-Select Option

    U Series Family Product Manual, Rev. B 2.2.2 Cable-select option Computers that use cable-select determine the master and slave drives by selecting or deselecting pin 28, CSEL, on the interface bus. Master and slave drives are determined by their physical position on the cable.

  • Page 27: Drive Mounting

    U Series Family Product Manual, Rev. B 2.1 Drive mounting You can mount the drive in any orientation using four screws in the side- mounting holes or four screws in the bottom-mounting holes. See Figure 3 for drive mounting dimensions. Follow these important mounting precautions when mounting the drive: •...

  • Page 28: Ata Interface

    U Series Family Product Manual, Rev. B 3.0 ATA interface These drives use the industry-standard ATA task file interface that supports 16-bit data transfers. It supports ATA programmed input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–5.

  • Page 29: Figure 4. I/O Pins And Supported Ata Signals

    U Series Family Product Manual, Rev. B Drive pin # Host pin # and signal description Signal name Reset – Hardware Reset Ground Ground Host Data Bus Bit 7 Host Data Bus Bit 8 Host Data Bus Bit 6 Host Data Bus Bit 9...

  • Page 30: Supported Ata Commands

    U Series Family Product Manual, Rev. B 3.1.1 Supported ATA commands The following table lists ATA-standard commands that the drive sup- ports. For a detailed description of the ATA commands, refer to the Draft ATA-Rev 6 Standard. See Section 3.1.4 on page 31 for details and subcommands used in the S.M.A.R.T.

  • Page 31: Identify Drive Command

    U Series Family Product Manual, Rev. B Command name Command code (in hex) Write Multiple Write Sectors ATA-standard power-management commands Check Power Mode or E5 Idle or E3 Idle Immediate or E1 Sleep or E6 Standby or E2 Standby Immediate...
  • Page 32 U Series Family Product Manual, Rev. B Word Description Value Configuration information: Bit 15: 0 = ATA; 1 = ATAPI • Bit 7: removable media 0C5A • Bit 6: removable controller • Bit 0: reserved • Number of logical cylinders...
  • Page 33 U Series Family Product Manual, Rev. B Word Description Value Device-specific standby 0000 timer value PIO data-transfer cycle timing mode 0200 Retired 0200 Words 54–58, 64–70 and 88 are valid 0007 Number of current logical xxxx cylinders Number of current logical...
  • Page 34 U Series Family Product Manual, Rev. B Word Description Value Recommended multiword DMA transfer cycle time per 0078 word (120 nsec) Minimum PIO cycle time without IORDY flow control 00F0 (240 nsec) Minimum PIO cycle time with IORDY flow control (120...
  • Page 35 U Series Family Product Manual, Rev. B Word Description Value Master Password Revision FFFE code Hardware Reset Value xxxx (see description following this table) Auto Acoustic Management xxxx Setting 95–127 ATA-reserved 0000 Security Status 0001 129–159 Seagate-reserved xxxx 160–254 ATA-reserved...

  • Page 36: Set Features Command

    U Series Family Product Manual, Rev. B Ultra DMA mode 4 is supported. Ultra DMA mode 5 is supported. Ultra DMA mode 0 is currently active. Ultra DMA mode 1 is currently active. Ultra DMA mode 2 is currently active.
  • Page 37 U Series Family Product Manual, Rev. B PIO mode 2 PIO mode 3 PIO mode 4 (default) Multiword DMA mode 0 Multiword DMA mode 1 Multiword DMA mode 2 Ultra DMA mode 0 Ultra DMA mode 1 Ultra DMA mode 2...

  • Page 38: Commands

    U Series Family Product Manual, Rev. B 3.1.4 S.M.A.R.T. commands S.M.A.R.T. provides near-term failure prediction for disc drives. When S.M.A.R.T. is enabled, the drive monitors predetermined drive attributes that are susceptible to degradation over time. If self-monitoring determines that a failure is likely, S.M.A.R.T. makes a status report available to the host.
  • Page 39 U Series Family Product Manual, Rev. B...
  • Page 40 U Series Family Product Manual, Rev. B...
  • Page 41 U Series Family Product Manual, Rev. B Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066, USA Publication Number: 100129581, Rev. B, Printed in USA...

This manual is also suitable for:

St380020aSt360020aSt340810aSt320410a

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